把一般疑问句改成特殊疑问句……

问题描述:

把一般疑问句改成特殊疑问句……
I am going to have a long holiday.
Tim went to Australia yesterday.
对划线部分提问:
Kate and Bob were in Beijing “for two weeks.”
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Are you going to have a long holiday?
Did tim go to Australia yesterday?
How long did Kate and Bob stay in Beijing